 Kornbluh attended Hunter College High School, earned a B.A.from Bryn Mawr College and a Master of Public Policy degree from the John F. Kennedy School of Government at Harvard University.Early in her career, Kornbluh was a Telesis management consultant to Fortune 500 high-technology companies and an economist at Alan Greenspan's economic forecasting firm, Townsend-Greenspan & Co. She worked for Senator John Kerry (D-MA) on the staff of the Commerce Committee and its Telecommunications Subcommittee.